The old woman leads you to a kitchen which is full of strange jars. She pours you a glass of milk, but from a bottle that came from a cupboard, not the fridge (you can't see one anyway)
The milk smells off, but you don't want to offend her. You were tresspassing, after all. You drink the glass. It tastes off, too. You have dunk half the glass when you suddenly feel a tingle flow through your body.
"Finish your drink, dearie!" Urges the witch